From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>,
Vinod Koul <vinod.koul@linux.intel.com>,
Lars-Peter Clausen <lars@metafoo.de>,
Russell King <linux@arm.linux.org.uk>,
Ryan Mallon <rmallon@gmail.com>,
Mika Westerberg <mika.westerberg@iki.fi>,
alsa-devel@alsa-project.org, Wolfram Sang <w.sang@pengutronix.de>,
Shawn Guo <shawn.guo@linaro.org>, Liam Girdwood <lrg@ti.com>
Subject: Re: [RFC 4/7] ASoC: Add dmaengine PCM helper functions
Date: Wed, 7 Mar 2012 11:42:18 +0000 [thread overview]
Message-ID: <20120307114217.GD3107@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <87zkbtnt31.wl%kuninori.morimoto.gx@renesas.com>
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On Tue, Mar 06, 2012 at 04:38:30PM -0800, Kuninori Morimoto wrote:
> And yes, it doesn't use cyclic dma transfer since I don't know how to use it :)
> I forgot detail, but I used sound/soc/sh/siu_pcm.c and sound/soc/txx9/txx9aclc.c
> as sample code when I created FSI DMAEngine support.
> If ASoC layer supports dmaengine helper functions, I can switch to it by my incremental patch.
OK, great - if the hardware supports cyclic mode then I guess the best
thing is to enable that in dmaengine then switch over to using the new
library once that's merged (unless someone comes along and implements
cyclic emulation support first).
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next prev parent reply other threads:[~2012-03-07 11:42 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-22 9:49 [RFC 0/7] ASoC: Introduce dmaengine pcm helper functions Lars-Peter Clausen
2012-02-22 9:49 ` [RFC 1/7] ASoC: imx-ssi: Set dma data early Lars-Peter Clausen
2012-02-22 13:22 ` Mark Brown
2012-02-22 9:49 ` [RFC 2/7] ASoC: imx-pcm: Request DMA channel early Lars-Peter Clausen
2012-02-22 13:22 ` Mark Brown
2012-02-22 9:49 ` [RFC 3/7] ASoC: mxs-pcm: " Lars-Peter Clausen
2012-02-22 13:22 ` Mark Brown
2012-02-22 9:49 ` [RFC 4/7] ASoC: Add dmaengine PCM helper functions Lars-Peter Clausen
2012-02-22 10:01 ` Russell King - ARM Linux
2012-02-22 12:52 ` Lars-Peter Clausen
2012-02-22 13:00 ` Mark Brown
2012-02-22 13:21 ` Mark Brown
2012-02-22 13:30 ` Vinod Koul
2012-02-22 13:30 ` Mark Brown
2012-02-22 13:32 ` Russell King - ARM Linux
2012-02-22 13:39 ` Mark Brown
2012-02-22 14:22 ` Russell King - ARM Linux
2012-02-22 15:04 ` Mark Brown
2012-02-22 15:23 ` Russell King - ARM Linux
2012-02-22 15:39 ` Mark Brown
2012-02-23 6:57 ` Vinod Koul
2012-03-02 13:59 ` Mark Brown
2012-03-05 12:30 ` Lars-Peter Clausen
2012-03-05 12:41 ` Mark Brown
2012-03-07 0:38 ` Kuninori Morimoto
2012-03-07 11:42 ` Mark Brown [this message]
2012-02-22 9:49 ` [RFC 5/7] ASoC: imx-pcm-dma: Use " Lars-Peter Clausen
2012-02-22 9:49 ` [RFC 6/7] ASoC: mxs-pcm: " Lars-Peter Clausen
2012-02-22 9:49 ` [RFC 7/7] ASoC: ep93xx-pcm: " Lars-Peter Clausen
2012-02-27 8:19 ` Mika Westerberg
2012-02-27 8:51 ` Lars-Peter Clausen
2012-02-27 19:01 ` Mika Westerberg
2012-02-28 8:47 ` Lars-Peter Clausen
2012-02-28 12:52 ` Mark Brown
2012-02-28 14:17 ` Lars-Peter Clausen
2012-02-28 14:30 ` Mark Brown
2012-02-28 19:23 ` Mika Westerberg
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